1. Subject and the Scope
The code specifies the contents related to the hot rolled stainless steel sheets and plates, covering size, shape, technical requirement, test method, inspection rules, packing mark, quality certificate and so on.
The Code is applied to corrosion-resistant hot rolled sheet for general purposes.
2. Normative Reference
GB 222 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis
GB 223 Methods for Chemical Analysis of Iron, Steel and Alloy
GB 226 Etch Test for Macrostructure and Defect of Steels
GB 228 Metallic Materials Tensile Test
GB 230 Metallic Materials－Rockwell Hardness Test
GB 231 Metallic Materials－Brinell Hardness Test
GB 232 Metallic Materials Bend Test
GB 247 General Rule of Acceptance, Package, Mark and Certification for Steel Plates (Sheets) and Strips
GB 709 Dimensions, Shape, Weight and Tolerances for Hot-rolled Plates and Sheets
GB 2975 Rules for Sampling in Mechanical and Technological Testing of Steel Products
GB 4334.1 Method of 10 Percent Oxalic Acid Etch Test for Stainless Steels
GB 4334.2 Stainless Steels--Ferric Sulfate-sulfuric Acid Corrosion Test
GB 4334.3 Method of 65 Percent Nitric Acid Test for Stainless Steels
GB 4334.4 Method of Nitric-Hydrofluoric Acid Test for Stainless Steels
GB 4334.5 Stainless Steels-Method of Copper Sulfate-Sulfuric Acid Test
GB 4334.6 Method of 5 Percent Sulfuric Acid Test for Stainless Steels
GB 4340 Metallic Materials-Vickers Hardness Test
GB 6397 Metallic Materials-Test Pieces for Tensile Testing
GB 10125 Corrosion Test In Artificial Atmospheres--Salt Spray Test (SS Test)
3. Size and Shape
3.1 The size and the permissible deviation of the steel plate should correspond with specifications of GB 709.
3.2 The undulation rate of steel-plate per meter should correspond with specifications in Table 1.
